Quercus section Lobatae section Protobalanus section
Length of equatorial axis (μm) Length of polar axis (μm) P/E p/D Length of equatorial axis (μm) Length of polar axis (μm) P/E p/D Length of equatorial axis (μm) Length of polar axis (μm) P/E p/D
Min 15.12 19.43 0.75 0.26 14.16 18.08 0.83 0.74 11.68 18.22 0.93 0.21
Mean 28.22 31.92 1.17 0.67 27.72 30.10 1.19 0.56 23.17 27.01 1.23 0.65
Max 53.14 60.70 1.84 0.98 44.49 41.84 1.45 0.96 35.34 43.24 1.72 1.17